A Novel Precoding Scheme for Dynamic Base Station Cooperation with Overlapped Clusters

Jie GONG  Sheng ZHOU  Lu GENG  Meng ZHENG  Zhisheng NIU  

Publication
IEICE TRANSACTIONS on Communications   Vol.E96-B   No.2   pp.656-659
Publication Date: 2013/02/01
Online ISSN: 1745-1345
DOI: 10.1587/transcom.E96.B.656
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
Keyword: 
base station cooperation,  interference mitigation,  precoding,  overlapped clustering,  

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Summary: 
In this letter, we propose a novel precoding scheme for base station (BS) cooperation in downlink cellular networks that allow overlapped clusters. The proposed precoding scheme is designed to mitigate the overlapping-BS interference by maximizing the so-called clustered virtual signal-to-interference-plus-noise ratio (CVSINR). Simulations show that with the proposed scheme, overlapped clustering provides substantial throughput gain over the traditional non-overlapped clustering methods, and user fairness is also improved.